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Multiply each numerator into all the denominators except its own for a new numerator, and all the denominators together for a common denominator.
Elements of Algebra: Being an Abridgement of Day's Algebra Adapted to the ... - Σελίδα 58
των Jeremiah Day - 1844 - 252 σελίδες
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## An Introduction to Algebra: Being the First Part of a Course of Mathematics ...

Jeremiah Day - 1841 - 332 σελίδες
...146. FRACTIONS OF DIFFERENT DENOMINATORS MAT BE REDUCED TO A COMMON DENOMINATOR, BY MULTIPLYING EACH A NUMERATOR INTO ALL THE DENOMINATORS EXCEPT ITS OWN,...THE DENOMINATORS TOGETHER, FOR A COMMON DENOMINATOR. Ex. 1. Reduce ?L and -, and- to a common denominator. bdy <dy ) cby > the three numerators. mxbxd=mbd...

## An Introduction to Algebra: Being the First Part of a Course of Mathematics ...

Jeremiah Day - 1841 - 332 σελίδες
...146. FRACTIONS OF DIFFERENT DENOMINATORS MAY BE REDUCED TO A COMMON DENOMINATOR, BY MULTIPLYING EACH f NUMERATOR INTO ALL THE DENOMINATORS EXCEPT ITS OWN,...THE DENOMINATORS TOGETHER, FOR A COMMON DENOMINATOR. Ex. 1. Reduce a—. and 1, and — to a common denominator. 6 dy cxbxy=cby / the three numerators....

## Higher Arithmetic: Designed for the Use of High Schools, Academies, and Colleges

George Roberts Perkins - 1841 - 252 σελίδες
...numbers to improper fractions, compound fractions to their simplest form. Then multiply each numerator by all the denominators, except its own, for a new numerator;...the denominators together for a common denominator. It is obvious that this process will give the same denominator to each fraction, viz: the product of...

## The National Arithmetic ...: Combining the Analytic and Synthetic Methods ...

Benjamin Greenleaf - 1841 - 314 σελίδες
...the respective numerators of the fractions and their products will be the numerators required. Or, multiply each numerator into all the denominators...own for a new numerator; and all the denominators into each other for a common denominator. Ans. 55, 12, |5, 75. Ans. i555, iii0, I5Su, iii0' Ans. ||,...

## The United States Calculator: Or, Arithmetic Simplified, in Dollars and ...

John M'Nevin - 1841 - 280 σελίδες
...\$, 24 + 20 = y- = If reduced, from whence the following Rule is deduced: multiply each numerator by all the denominators, except its own, for a new numerator, and all the denominators together for a new denominator. Example.— Add 62£ " 37| Add 4, i, f, and TV together, (say dollars.) By Reduction...

## United States Calculator: Or, Arithmetic Simplified

John M'Nevin - 1841 - 280 σελίδες
...£, 24 + 20 = \$\$ = If reduced, from whence the following Rule is deduced: multiply each numerator by all the denominators, except its own, for a new numerator, and all the denominators together for a new denominator. Exampk.—Add 62^ « 37| « 19f By Reduction £ is equal to 50 cents. J " 25 « Ans....

## Questions Adapted to Emerson's North American Arithmetic, Part Third, Μέρος 3

William Draper Swan - 1841
...common denominator. If any of the fractions to be reduced be compound, what must be done 1 Why do you multiply each numerator into all the denominators except its own for a new numerator r \ (See 3d proposition, page 37.) Reduce J and § to a common denominator. Reduce £ of § and £...

## The elements of arithmetic. [With] Key

...denominator. RULE. Reduce such of the fractions as require it to simple fractions. Multiply each numerator by all the denominators except its own for a new numerator,...the denominators together for a common denominator. EXAMPLES. 1. Reduce f, £, 1£ and ^ to fractions of equal -value having a common denominator. 1x5+1...

## Introduction to the National Arithmetic: On the Inductive System : Combining ...

Benjamin Greenleaf - 1842 - 174 σελίδες
...the respective numerators of the fractions, and their products will be the numerators required. Or, multiply each numerator into all the denominators...own for a new numerator ; and all the denominators into each other for a common denominator. 2. Reduce £ and £ to a common denominator. Ans. ft, ig....

## The principles of arithmetic. [Followed by] The principles of algebra

Wales Christopher Hotson - 1842
...fractions proposed, the required transformation will be effected if each numerator be multiplied by all the denominators, except its own, for a new numerator, and all the denominators together for a new denominator. Ex. To transform - - , — ; — , and , , , so as to a-1 a+1 a2+l have a common denominator....